It has been linked to lung cancer.
hope this helps!
use the scientific method!
Answer:
Photosynthesis involves the use of energy from sunlight, water and carbon dioxide to produce glucose and oxygen. Cellular respiration uses glucose and oxygen to produce carbon dioxide and water.
I'm pretty sure it's photosynthesis, as photosynthesis actually takes carbon from the atmosphere to make glucose.
Because they loss more blood than men and it needs to be replaced by another.